Reishi Extract: Fruiting Body Specs

Reishi (Ganoderma lucidum) is the mushroom most associated with immune-support positioning and longevity in traditional use, and modern buyers see a confusing spread of specifications: polysaccharides, beta-glucans, triterpenes, whole-mushroom powder and mycelium biomass. This guide explains which numbers matter, why the mushroom part matters more than the percentage, and how to compare quotations fairly. Core Nutrix supplies reishi mushroom extract standardized to polysaccharides 30% plus triterpenes 6% (UV/HPLC), from log-cultivated fruiting bodies – never mycelium-on-grain – with a USDA/EU organic option.

Polysaccharides and Triterpenes: Two Different Stories

  • Polysaccharides (30%): the long-chain carbohydrate fraction, including beta-glucans, most associated with immune modulation in reishi research. Assayed by UV or HPLC.
  • Triterpenes (6%): the bitter, resinous compounds – including ganoderic acids – linked to liver-support positioning, calm and antioxidant activity. Ganoderic Acid A (CAS 81907-62-2) serves as the HPLC marker.
  • Why both: polysaccharide-only extracts can come from cheap starch-rich sources, while triterpene content proves the extract is genuinely reishi. A dual spec is a stronger quality signal than either number alone.

Fruiting Body vs Mycelium: The Most Important Question

Reishi grows naturally on hardwood logs, and the fruiting body – the red, shelf-shaped mushroom – is the part used in traditional medicine. Much of the low-cost “mushroom powder” on the market is mycelium grown on grain, which is mostly residual grain starch with little fruiting-body chemistry. If a quotation does not state the source, assume the worst. Our extract is produced from log-cultivated fruiting bodies, and the source is stated on the specification sheet and COA.

Reading the Spec Like a Buyer

  • Polysaccharide method: UV and HPLC give different numbers for the same powder; always compare the same method.
  • Beta-glucan content: a meaningful sub-measure of the polysaccharide fraction – request it when the claim is immune-support positioning.
  • Triterpene markers: ganoderic acid content by HPLC separates real reishi from diluted blends.
  • Organic: USDA and EU organic grades are available for certified-organic finished products.

Formats and Applications

  • Capsules and tablets: the brown fine powder flows and compresses well for the classic immune-support capsule.
  • Coffee and cocoa blends: reishi’s bitter, earthy profile pairs naturally with roasted flavors in mushroom-coffee trends.
  • Gummies and shots: use a clarified or masked grade and test color – reishi browns light-colored matrices.

How Reishi Extract Is Made

Quality starts in the field. Our reishi is grown on hardwood logs under forest-like conditions rather than in grain bags, because log cultivation produces the full fruiting-body chemistry – the red cap is where polysaccharides and ganoderic acids concentrate. The dried fruiting bodies are then extracted twice: a water extraction pulls the polysaccharide fraction, and an ethanol extraction pulls the triterpenes. The two fractions are recombined and standardized to the dual specification.

  • Dual extraction: water for polysaccharides, ethanol for triterpenes – a water-only extract cannot honestly claim meaningful triterpene content.
  • Fruiting bodies only: no mycelium-on-grain and no added starch; the source is stated on the COA.
  • Organic option: USDA and EU organic grades are available for certified-organic product lines.

Beta-Glucans and Immune Positioning

The polysaccharide fraction is often reported further as beta-glucans, the carbohydrate chains associated with immune-cell activation in mushroom research. A 30% polysaccharide extract typically carries a meaningful beta-glucan level, and requesting that number tightens the specification. For finished-product claims, keep language to structure-function terms – “immune system support” is the category norm – and let the dual spec carry the quality story.

Formats and Production Notes

  • Capsules: the brown fine powder flows and fills well; a classic 500 mg capsule delivers a clean serving of the dual-spec extract.
  • Drinks and shots: test color and sediment – reishi darkens light matrices and benefits from dispersion agents.
  • Gummies: use a clarified grade and mask the bitter note with citrus or honey flavor systems.

Start with a benchtop batch before committing a production run, especially for light-colored or clear formats, because the brown color is part of the ingredient.

Frequently Asked Questions (FAQ)

What is a good reishi specification?

A dual spec with both polysaccharides and triterpenes – such as 30% polysaccharides with 6% triterpenes – from fruiting bodies, with the assay method and ganoderic acid marker on the COA.

Is mycelium-based powder acceptable?

It is a different material with far less fruiting-body chemistry and is not a substitute for fruiting-body extract. Always confirm the source in writing.

What does CAS 81907-62-2 refer to?

It is Ganoderic Acid A, the marker compound used to verify the triterpene fraction of the extract by HPLC.

Is organic reishi available?

Yes – USDA and EU organic grades are available, with certification documents supplied on request.

How should reishi extract be stored?

Sealed in a cool, dry place away from light; shelf life is 24 months under these conditions, confirmed on each COA.

What is the MOQ and lead time?

Samples start at 0.5-1 kg and bulk ships in 25 kg drums, typically within 7-15 days. Contact us for a quote and a free sample.

Why do quotations vary so widely for reishi?

Because many are mycelium-on-grain powders with residual starch. Compare at equal polysaccharide method, triterpene content and source – and reject offers that will not state the mushroom part.

Can reishi be used in coffee blends?

Yes – reishi’s earthy, bitter profile pairs naturally with roasted coffee and cocoa, which is why mushroom-coffee blends are a fast-growing category.

What is the standard serving size?

Most products use 250-1,000 mg of dual-spec extract per day. Higher-triterpene positioning suits calm and liver-support lines; polysaccharide positioning suits immune-support formulas.

What documents ship with each batch?

COA and MSDS with both assays, the ganoderic acid marker and the contaminant panel. Third-party testing through SGS or Eurofins is available on request.

What is the MOQ?

Samples start at 0.5-1 kg and bulk ships in 25 kg drums, with organic grades available on request. Contact us for a quote and a free sample.

Is reishi suitable for vegan capsules?

Yes – the extract is mushroom-derived and suits vegan capsule and powder lines. Organic documentation is available when the finished product requires it.

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What you can expect from Core Nutrix

  • Every batch released against the specification you approve, with a full COA (assay by HPLC/UV, heavy metals, microbiology, residual solvents, pesticide residue screened to EU MRLs).
  • Free samples with COA and MSDS - freight collect, credited against your first bulk order.
  • Third-party test reports, allergen and GMO statements, shelf-life and stability data supplied on request.
  • Documentation support for your market entry: EU Regulation (EC) No 1924/2006 on nutrition and health claims, US 21 CFR 101.93 structure/function support, California Proposition 65 statements.
  • One working day to a quotation, OEM/ODM projects from 100-500 kg, private label, custom specifications and packaging.

This is technical, business-to-business information for manufacturers and brand owners - not a consumer label and not medical advice. Where a claim is made about a finished consumer product, it must comply with the rules of the destination market; we supply the supporting technical documentation so your team can review it. Ask us for anything your market requires - we are glad to help.

Comments & Questions (59)

  1. Können Sie mir ein Angebot für 100 kg Reishi-Extrakt mit individueller Partikelgröße machen? Versand nach Tschechien. Wie lange dauert die Produktion?

    1. Ja, wir können 100 kg mit kundenspezifischer Partikelgröße produzieren. Produktionszeit 7–15 Tage nach Bestätigung. Versand nach Tschechien via DHL oder FedEx. – Core Nutrix Team

  2. Artigo muito esclarecedor. Já tive problemas com fornecedores que não informavam o método de análise. Agora exijo HPLC e o marcador de ácido ganodérico A.

  3. ¿Ofrecen envío a Colombia con DDP? Queremos 25 kg de reishi con especificación dual. ¿Cuál es el tiempo de entrega y los términos de pago?

    1. Core Nutrix Team
      Core Nutrix Team

      Sí, ofrecemos DDP/DDU a Colombia. Tiempo de entrega 7–15 días para 25 kg. Términos de pago: T/T, o según acuerdo. Contáctenos para detalles. – Core Nutrix Team

  4. Tak for den klare forklaring. Jeg specificerer altid både polysaccharider og triterpener i mine indkøb. Artiklen bekræfter min tilgang.

  5. Да, отправляем образцы в Казахстан, 1–3 дня. Срок хранения 24 месяца в закрытой упаковке в прохладном месте. Спецификация 30% полисахаридов доступна. – Core Nutrix Team

  6. Возможно ли получить образец с доставкой в Казахстан? Нам нужна спецификация с 30% полисахаридов. Какой срок хранения у продукта?

  7. Merci pour cet article. En tant qu’importatrice au Maroc, je dois toujours vérifier que le COA mentionne la méthode HPLC. C’est un gain de temps énorme.

  8. Artigo muito bom. Já usei extrato de micélio e não tinha os mesmos marcadores. Agora especifico 30% polissacarídeos e 6% triterpenos com COA por HPLC.

  9. Evet, ücretsiz numune gönderiyoruz, kargo sizden. Türkiye’ye 1–3 gün içinde ulaşır. 25 kg için fiyat bilgisi için lütfen iletişim sayfamızdan bize ulaşın. – Core Nutrix Team

  10. Barış Öztürk
    Barış Öztürk

    Numune gönderiyor musunuz? Türkiye’ye ulaşım süresi nedir? Ayrıca 25 kg’lık sipariş için fiyat aralığı hakkında bilgi verebilir misiniz?

  11. Sylwia Stępień
    Sylwia Stępień

    OEM/ODM対応可能です。カスタム仕様、粒子サイズ、包装を承ります。支払い条件はご相談に応じます。韓国への発送も可能です。 – Core Nutrix Team

  12. 俊介 佐々木
    俊介 佐々木

    バルク注文の際にOEMパッケージは可能ですか?また、支払い条件について教えてください。韓国への発送は可能ですか?

  13. Katarzyna Krawczyk
    Katarzyna Krawczyk

    Genau was ich gesucht habe. Die Angabe von 6% Triterpenen mit Ganoderinsäure A als Marker macht die Spezifikation eindeutig. Danke für die klare Erklärung.

  14. نعم، يمكننا الشحن إلى تركيا جوًا. 50 كجم متاح، ويمكن تخصيص حجم الجزيئات حسب مواصفاتكم. المهلة 7–15 يومًا. – Core Nutrix Team

  15. هل يمكنكم الشحن إلى تركيا عبر الشحن الجوي؟ نريد 50 كجم. هل يمكن تخصيص حجم الجزيئات وفقًا لمواصفاتنا؟

  16. Très bon résumé. Je commande toujours 30% polysaccharides et 6% triterpènes. Le COA avec la méthode est indispensable pour nos contrôles qualité en France.

  17. Yes, every batch includes a COA with ganoderic acid A marker by HPLC. Sample MOQ is 1 kg, free with freight covered by you. Shipping to UK takes 1-3 days. – Core Nutrix Team

  18. Can we get a certificate of analysis with the ganoderic acid A marker for the reishi extract? Also, what’s the minimum for a sample order shipped to the UK?

  19. Siriporn Chaiyasit
    Siriporn Chaiyasit

    是的,我们提供免费样品,您只需支付运费。样品1-3天发货,批量订单7-15天。我们通过DHL/FedEx/UPS发货到新加坡。 – Core Nutrix Team

  20. Konačno članak koji objašnjava razliku između polisaharida i triterpena. Radim u razvoju proizvoda i uvijek tražim COA s HPLC metodom. Preporučujem svima.

  21. 你们提供免费样品到新加坡吗?我们想测试30%多糖和6%三萜的提取物。批量订单的交货时间是多久?

  22. Philippine Dubois
    Philippine Dubois

    Je viens de partager cet article avec mon équipe achats. La distinction entre corps fructifère et mycélium est cruciale pour nos produits premium. Merci pour la précision.

  23. Karina Gutiérrez
    Karina Gutiérrez

    Muy buen artículo. En mi experiencia, el extracto de micelio no tiene la misma actividad. Ahora exijo el COA con el marcador de ácido ganodérico A y especificación de cuerpo fructífero.

    1. Core Nutrix Team
      Core Nutrix Team

      Ledtid för 100 kg med OEM är 7–15 dagar. Vi skickar gratis prover innan order, ni betalar frakt. Anpassad partikelstorlek är möjlig. – Core Nutrix Team

  24. Carl Lindberg
    Carl Lindberg

    Vad är er ledtid för bulkorder till Sverige med OEM-förpackning? Vi vill ha 100 kg med anpassad partikelstorlek. Kan ni skicka prover innan vi beställer?

  25. Agnieszka Wójcik
    Agnieszka Wójcik

    Yes, we ship to Bangladesh via DHL/FedEx/UPS express or air freight. Payment terms for first-time buyers are typically T/T in advance; we can discuss upon order confirmation. – Core Nutrix Team

  26. Good piece. As a brand owner, I find the 30/6 spec reliable for immune-support claims. The COA with ganoderic acid A marker is non-negotiable for our QC process.

  27. Do you ship to Bangladesh via air freight? We’re interested in a 25 kg order. What payment terms do you offer for first-time buyers?

  28. Vincenzo Rossi
    Vincenzo Rossi

    Tak, próbka jest bezpłatna, pokrywasz tylko koszt wysyłki. Oferujemy private label z niestandardowym pakowaniem. Wysyłka do Polski 1–3 dni dla próbek. – Core Nutrix Team

  29. Vincenzo Bianchi
    Vincenzo Bianchi

    Articolo molto utile. Lavoro come R&D manager e ora specifico sempre il metodo HPLC per i triterpeni. Il riferimento al CAS 81907-62-2 è perfetto per le nostre schede tecniche.

  30. Łukasz Kowalczyk
    Łukasz Kowalczyk

    Czy mogę otrzymać próbkę reishi z wolumetryczną specyfikacją? Jaki jest koszt wysyłki do Polski? Interesuje nas też pakowanie pod własną markę (private label).

  31. Fernanda Figueroa
    Fernanda Figueroa

    Sí, tenemos stock para envío inmediato. Incluimos COA y MSDS con cada lote, y certificados ISO, HACCP, Kosher y Halal disponibles a solicitud. Envío a México en 7–15 días. – Core Nutrix Team

  32. Dimitar Novák
    Dimitar Novák

    ¿Tienen stock disponible para envío inmediato a México? Necesito 25 kg de extracto de reishi con 30% polisacáridos. ¿Qué certificados incluyen en el envío?

  33. Danke für die klare Erklärung zu Fruchtkörper vs. Myzel. Bei uns im Labor testen wir jeden Batch auf Ganoderinsäure A – das gibt Sicherheit bei der Produktentwicklung.

  34. Fiona Stewart
    Fiona Stewart

    Kunnen jullie een monster sturen naar Nederland? We willen het extract testen in onze eigen formule. Wat is de levertijd en hoe zit het met de betalingsvoorwaarden voor een proefbestelling?

  35. Alexey Morozov
    Alexey Morozov

    Ja, we sturen gratis monsters naar Nederland, u betaalt alleen de verzendkosten. Levertijd 1–3 dagen. Voor proefbestellingen geldt MOQ van 1 kg; betaling via bankoverschrijving. – Core Nutrix Team

  36. Valerie Schulz
    Valerie Schulz

    Sehr hilfreich. Ich habe gelernt, dass der Triterpen-Gehalt oft zu niedrig ist, wenn nur Polysaccharide spezifiziert werden. Seitdem bestehe ich auf 6% Triterpene mit Ganoderinsäure A als Marker.

  37. Vincenzo Gallo
    Vincenzo Gallo

    Qual è il tempo di consegna per un ordine all’ingrosso di 50 kg in Italia? E potete fornire il certificato di analisi con il metodo di prova HPLC per ogni lotto?

    1. Core Nutrix Team
      Core Nutrix Team

      Per 50 kg, il tempo di consegna è di 7–15 giorni. Ogni lotto include COA e MSDS con metodo HPLC/UV e tracciabilità completa. Spedizione via DHL o FedEx in Italia. – Core Nutrix Team

  38. Good read. I’m an importer in Lagos and I appreciate the clarity on fruiting body vs mycelium. The CAS reference for Ganoderic Acid A is a helpful detail for our documentation.

  39. Exactly what I needed, thanks. I’ve been burned by mycelium-on-grain powders labeled as extracts. This article gives me the specs to push back on suppliers. Bookmarking it for my next audit.

    1. Core Nutrix Team
      Core Nutrix Team

      Пробный образец бесплатный, вы оплачиваете только доставку. MOQ для образца — 1 кг, для коммерческой партии — 25 кг. Отправка в Москву через DHL или FedEx займет 1–3 дня. – Core Nutrix Team

  40. Anastasia Kuznetsova
    Anastasia Kuznetsova

    Какой минимальный заказ для пробной партии рейши с двойной спецификацией? Нас интересует доставка в Москву. Есть ли возможность получить образец бесплатно?

  41. Étienne Girard
    Étienne Girard

    Article très clair. En tant que formulateur, je confirme que le ratio 30% polysaccharides et 6% triterpènes est le standard que je recommande. Le COA avec méthode HPLC est indispensable pour valider chaque lot.

    1. Core Nutrix Team
      Core Nutrix Team

      نعم، نوفر شهادات حلال وكوشير عند الطلب. شروط الدفع مرنة: EXW، FOB، CIF، DDP/DDU. لطلب 100 كجم، يمكننا الشحن إلى السعودية عبر الجو أو البحر. – Core Nutrix Team

  42. Oliver Campbell
    Oliver Campbell

    هل يمكنكم توفير شهادة حلال وكوشير مع الشحنة؟ نريد أيضًا معرفة شروط الدفع لطلب 100 كجم إلى السعودية. نفضل CIF أو DDP.

  43. Yes, third-party testing is available on request. Shelf life is 24 months when sealed and stored in a cool dry place. Shipping to India via express takes 1-3 days for samples. – Core Nutrix Team

  44. Do you offer third-party testing for the reishi extract? Also, what is the shelf life if we store it sealed in a cool dry place? We’re planning an order for India.

  45. Jakub Wiśniewski
    Jakub Wiśniewski

    Świetne wyjaśnienie różnicy między polisacharydami a triterpenami. Wcześniej kupowałem proszek z grzybni i zawartość kwasu ganoderowego była poniżej 0,5%. Teraz zawsze sprawdzam certyfikat HPLC.

  46. Irina Zakharova
    Irina Zakharova

    Ja, vi erbjuder OEM/ODM med anpassad partikelstorlek, löslighet och förpackning. För 50 kg kan vi justera specifikationen efter era behov. Ledtid 7–15 dagar efter bekräftelse. – Core Nutrix Team

  47. Vi har en formel där vi behöver anpassad partikelstorlek på reishi-extraktet. Kan ni göra OEM med specifik löslighet och förpackning? Vi siktar på 50 kg per order till Sverige.

  48. Useful breakdown. I’m sourcing for a new immune supplement line in the UAE. The dual spec approach is exactly what my QA team needed. We’ll request a sample with the 6% triterpene marker.

  49. 全ロットにCOAとMSDSを同梱します。HPLC/UV試験でトレーサビリティを確保し、ガノデリン酸Aのマーカーも明記します。サンプルは日本へ1〜3日で発送します。 – Core Nutrix Team

  50. Amostra grátis com MOQ de 1 kg, você cobre o frete. Lote comercial a partir de 25 kg. Enviamos via DHL, FedEx ou UPS para o Brasil, com prazo de 7 a 15 dias. – Core Nutrix Team

  51. 芽依 斎藤
    芽依 斎藤

    COAとMSDSは全ロットに同梱されますか?HPLCの試験法とガノデリン酸Aのマーカーも確認したいです。サンプルは日本へどのくらいで届きますか?

  52. Excelente artigo. Já trabalhei com extrato de micélio e a diferença nos marcadores é brutal. Agora especifico sempre 30% polissacarídeos e 6% triterpenos de corpo frutífero, com HPLC no COA. Isso mudou a qualidade das minhas fórmulas.

  53. Eduardo Silva
    Eduardo Silva

    Preciso de um lote teste de reishi com 30% polissacarídeos e 6% triterpenos. Qual é o MOQ para amostra e para o pedido comercial? Envio para o Brasil, pode ser por via aérea?

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